Home / 13,821.52-19,067.10-9,346.84

Finding the Fourth Proportional to 13,821.52, 19,067.10 and 9,346.84

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Solution

The fourth proportional to 13,821.52, 19,067.10 and 9,346.84 is: 12,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.52 : 19,067.10 = 9,346.84 : x
  2. Step 2: Convert to fraction form
    13,821.52/19,067.10 = 9,346.84/x
  3. Step 3: Cross multiply
    13,821.52x = 19,067.10 × 9,346.84
  4. Step 4: Simplify right side
    13,821.52x = 178,217,132.96
  5. Step 5: Solve for x
    x = 178,217,132.96/13,821.52
  6. Step 6: Final answer
    x = 12,894.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.